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Results: 1 through 14 of 14 (0.144 secs)
You searched for: creator:"Mathews, O. R. (Oscar Roland), b. 1890"
[texts]Place of summer fallow in the agriculture of the western states (Volume no.886) - Mathews, O. R. (Oscar Roland), b. 1890
Cover title
Keywords: Fallowing West (U.S.)
Downloads: 104
[texts]Water penetration in the gumbo soils of the Belle Fourche Reclamation Project (Volume no.447) - Mathews, O. R. (Oscar Roland), b. 1890
Caption title
Keywords: Soil moisture; Soil penetration test
Downloads: 36
[texts]Summer fallow at Ardmore, S. Dak. (Volume no.213) - Mathews, O. R. (Oscar Roland), b. 1890
Caption title
Keywords: Fallowing South Dakota
Downloads: 28
[texts]Storage of water in soil and its utilization by spring wheat (Volume no.1139) - Mathews, O. R. (Oscar Roland), b. 1890
Caption title
Keywords: Soil moisture; Wheat
Downloads: 21
[texts]Cultural practices for sorghums and miscellaneous field crops at the Southern Great Plains Field Station, Woodward,, Okla. (Volume no.959) - Locke, L. F. (Lowell Francis), 1894-
Cover title
Keywords: Sorghum Oklahoma; Field crops Oklahoma
Downloads: 27
[texts]Dry land rotation and tillage experiments at the Akron (Colorado) Field Station (Volume no.700) - Brandon, J. F. (Joseph Franklin), 1891-
Caption title
Keywords: Cropping systems Great Plains; Tillage Great Plains
Downloads: 56
[texts]Dryland crop-rotation and tillage experiments at the Colby (Kans.) Branch Experiment Station (Volume no.979) - Kuska, Joseph Benjamin, 1890-

Keywords: Dry farming Kansas Field experiments
Downloads: 50
[texts]Winter wheat and sorghum production in the southern Great Plains under limited rainfall (Volume no.477) - Mathews, O. R. (Oscar Roland), b. 1890
Bibliography: p. 59
Keywords: Wheat Climatic factors High Plains (U.S.); Sorghum Climatic factors High Plains (U.S.)
Downloads: 72
[texts]Results of field crop, shelterbelt, and orchard investigations at the United States Dry Land Field Station, Ardmore, S.Dak, 1911-32 (Volume no.421) - Mathews, O. R. (Oscar Roland), b. 1890
Cover title
Keywords: Dry farming South Dakota; Windbreaks, shelterbelts, etc; South Dakota; Fruit-culture South Dakota
Downloads: 50
[texts]Relation of cultural practices to winter wheat production, Southern Great Plains Field Station, Woodward, Okla. (Volume no.917) - Locke, L. F. (Lowell Francis), 1894-
Caption title
Keywords: Wheat High Plains (U.S.)
Downloads: 28
[texts]Crop rotation, tillage, and fertility experiments at the Lawton (Okla.) Field Station, 1917-49 (Volume no.951) - Osborn, W. M. (Walter M.)
Cover title
Keywords: Field experiments Oklahoma; Tillage Oklahoma; Crop rotation Oklahoma
Downloads: 53
[texts]Relation of the depth to which the soil is wet at seeding time to the yield of spring wheat on the Great Plains (Volume no.563) - Cole, John S. (John Selden), 1878-
Caption title
Keywords: Wheat Great Plains Soils; Plants Effect of soil moisture on
Downloads: 44
[texts]Dry land crops at the Dalhart (Texas) Field Station (Volume no.564) - Mathews, O. R. (Oscar Roland), b. 1890
Caption title
Keywords: Dry farming Texas
Downloads: 29
[texts]Use of water of spring wheat on the Great Plains (Volume no.1004) - Cole, John S. (John Selden), 1878-
Caption title
Keywords: Wheat
Downloads: 26
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